Add summoned creature appear/disappear animation

src/main/java/electroblob/wizardry/entity/living/EntityBlazeMinion.java

@@ -1,6 +1,7 @@
 package electroblob.wizardry.entity.living;
 
 import electroblob.wizardry.Wizardry;
+import electroblob.wizardry.client.DrawingUtils;
 import net.minecraft.entity.EntityLivingBase;
 import net.minecraft.entity.ai.EntityAIHurtByTarget;
 import net.minecraft.entity.ai.EntityAINearestAttackableTarget;
@@ -105,6 +106,11 @@ public class EntityBlazeMinion extends EntityBlaze implements ISummonedCreature
 		return false;
 	}
 
+	@Override
+	public int getAnimationColour(float animationProgress){
+		return DrawingUtils.mix(0xffdd4d, 0xff6600, animationProgress);
+	}
+
 	@Override
 	protected boolean processInteract(EntityPlayer player, EnumHand hand){
 		// In this case, the delegate method determines whether super is called.

src/main/java/electroblob/wizardry/entity/living/EntityDecoy.java

@@ -54,6 +54,11 @@ public class EntityDecoy extends EntitySummonedCreature {
 		}
 	}
 
+	@Override
+	public int getAnimationColour(float animationProgress){
+		return 0xffc600;
+	}
+
 	@Override
 	public boolean isEntityInvulnerable(DamageSource source){
 		return true;

src/main/java/electroblob/wizardry/entity/living/EntityIceGiant.java

@@ -1,6 +1,7 @@
 package electroblob.wizardry.entity.living;
 
 import electroblob.wizardry.Wizardry;
+import electroblob.wizardry.client.DrawingUtils;
 import electroblob.wizardry.registry.WizardryPotions;
 import electroblob.wizardry.registry.WizardrySounds;
 import electroblob.wizardry.util.ParticleBuilder;
@@ -96,6 +97,11 @@ public class EntityIceGiant extends EntityIronGolem implements ISummonedCreature
 		}
 	}
 
+	@Override
+	public int getAnimationColour(float animationProgress){
+		return DrawingUtils.mix(0xffffff, 0x73e1ff, animationProgress);
+	}
+
 	@Override
 	public void onLivingUpdate(){
 

src/main/java/electroblob/wizardry/entity/living/EntityIceWraith.java

@@ -1,6 +1,7 @@
 package electroblob.wizardry.entity.living;
 
 import electroblob.wizardry.Wizardry;
+import electroblob.wizardry.client.DrawingUtils;
 import electroblob.wizardry.registry.Spells;
 import electroblob.wizardry.registry.WizardrySounds;
 import electroblob.wizardry.util.ParticleBuilder;
@@ -61,6 +62,11 @@ public class EntityIceWraith extends EntityBlazeMinion {
 		}
 	}
 
+	@Override
+	public int getAnimationColour(float animationProgress){
+		return DrawingUtils.mix(0xffffff, 0x73e1ff, animationProgress);
+	}
+
 	@Override
 	public void onLivingUpdate(){
 

src/main/java/electroblob/wizardry/entity/living/EntityLightningWraith.java

@@ -1,6 +1,7 @@
 package electroblob.wizardry.entity.living;
 
 import electroblob.wizardry.Wizardry;
+import electroblob.wizardry.client.DrawingUtils;
 import electroblob.wizardry.registry.Spells;
 import electroblob.wizardry.util.ParticleBuilder;
 import electroblob.wizardry.util.ParticleBuilder.Type;
@@ -49,6 +50,11 @@ public class EntityLightningWraith extends EntityBlazeMinion {
 		}
 	}
 
+	@Override
+	public int getAnimationColour(float animationProgress){
+		return DrawingUtils.mix(0xffffff, 0x0092ff, animationProgress);
+	}
+
 	@Override
 	public void onLivingUpdate(){
 		// Fortunately, lightning wraiths don't replace any of blazes' particle effects or the fire sound, they only

src/main/java/electroblob/wizardry/entity/living/EntityPhoenix.java

@@ -1,5 +1,6 @@
 package electroblob.wizardry.entity.living;
 
+import electroblob.wizardry.client.DrawingUtils;
 import electroblob.wizardry.registry.Spells;
 import electroblob.wizardry.registry.WizardrySounds;
 import electroblob.wizardry.spell.Spell;
@@ -151,6 +152,11 @@ public class EntityPhoenix extends EntitySummonedCreature implements ISpellCaste
 		}
 	}
 
+	@Override
+	public int getAnimationColour(float animationProgress){
+		return DrawingUtils.mix(0xffdd4d, 0xff6600, animationProgress);
+	}
+
 	@Override
 	public void onLivingUpdate(){
 

src/main/java/electroblob/wizardry/entity/living/EntityVexMinion.java

@@ -91,6 +91,11 @@ public class EntityVexMinion extends EntityVex implements ISummonedCreature {
 		}
 	}
 
+	@Override
+	public int getAnimationColour(float animationProgress){
+		return 0xef829c;
+	}
+
 	@Override
 	public boolean hasParticleEffect(){
 		return true;

src/main/java/electroblob/wizardry/entity/living/EntityZombieMinion.java

@@ -94,8 +94,8 @@ public class EntityZombieMinion extends EntityZombie implements ISummonedCreatur
 	private void spawnParticleEffect(){
 		if(this.world.isRemote){
 			for(int i = 0; i < 15; i++){
-				this.world.spawnParticle(EnumParticleTypes.SMOKE_LARGE, this.posX + this.rand.nextFloat(),
-						this.posY + 1 + this.rand.nextFloat(), this.posZ + this.rand.nextFloat(), 0, 0, 0);
+				this.world.spawnParticle(EnumParticleTypes.SMOKE_LARGE, this.posX + this.rand.nextFloat() - 0.5f,
+						this.posY + this.rand.nextFloat() * 2, this.posZ + this.rand.nextFloat() - 0.5f, 0, 0, 0);
 			}
 		}
 	}
@@ -105,6 +105,11 @@ public class EntityZombieMinion extends EntityZombie implements ISummonedCreatur
 		return true;
 	}
 
+	@Override
+	public boolean hasAnimation(){
+		return this.dataManager.get(SPAWN_PARTICLES) || this.ticksExisted > 20;
+	}
+
 	public void hideParticles(){
 		this.dataManager.set(SPAWN_PARTICLES, false);
 	}

src/main/java/electroblob/wizardry/entity/living/ISummonedCreature.java

@@ -239,6 +239,16 @@ public interface ISummonedCreature extends IEntityAdditionalSpawnData, IEntityOw
 	/** Whether this creature should spawn a subtle black swirl particle effect while alive. */
 	boolean hasParticleEffect();
 
+	/** Returns whether this creature has an animation when appearing and disappearing. */
+	default boolean hasAnimation(){
+		return true;
+	}
+
+	/** Returns the colour of this creature's appear/disappear animation. */
+	default int getAnimationColour(float animationProgress){
+		return 0x000000;
+	}
+
 	/**
 	 * Called from the event handler after the damage change is applied. Does nothing by default, but can be overridden
 	 * to do something when a successful attack is made. This was added because the event-based damage source system can